News Desk PITTSBURGH/UNITED ARAB EMIRATES: Alcoa (NYSE:AA) and Emirates Global Aluminium (EGA) announced today a new multi-year agreement for Alcoa to supply EGA with smelter grade alumina. Over the life of the 8-year agreement, which commences in 2024, volume options will allow EGA to procure as much as 15.6 million metric tons of alumina from Western Australia. The supply agreement will represent …